Knife holder



FIG. 1 is a top left front perspective view of an knife holder showing my new design;

FIG. 2 is a top front perspective view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top left perspective view thereof;

FIG. 5 is a left side elevation view thereof, the right side elevation view is identical;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

CLAIM The ornamental design for an knife holder, as shown and described. 